DPP: Deinit PKEX instance on DPP_STOP_LISTEN

Previously this stopped only the DPP Authentication instance, but it is
better to clear both PKEX and Authentication.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>

src/ap/dpp_hostapd.c

@@ -1692,6 +1692,8 @@ void hostapd_dpp_stop(struct hostapd_data *hapd)
 {
 	dpp_auth_deinit(hapd->dpp_auth);
 	hapd->dpp_auth = NULL;
+	dpp_pkex_free(hapd->dpp_pkex);
+	hapd->dpp_pkex = NULL;
 }
 
 

wpa_supplicant/dpp_supplicant.c

@@ -2448,6 +2448,8 @@ void wpas_dpp_stop(struct wpa_supplicant *wpa_s)
 {
 	dpp_auth_deinit(wpa_s->dpp_auth);
 	wpa_s->dpp_auth = NULL;
+	dpp_pkex_free(wpa_s->dpp_pkex);
+	wpa_s->dpp_pkex = NULL;
 }